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I don't think I'm using the NULL comparison correctly, but it's the closest thing to a C equivalant I can think of. If string[0]->[] is 0x0. I'm pretty sure the pointer reference isn't valid, either, but again, it's the closest thing I can think of. I'm trying to find if the 2nd dimension contains actual data so it can be printed.

Someone once told me PHP was a lot like C, to which I responded hey, it should be easy to learn!